The getExternalFunction() GraphQL query to look up an external function specification. This query field is a preview and subject to change.

Syntax

Below is the syntax for the getExternalFunction() query field:

graphql
getExternalFunction(
      input: GetExternalFunctionInput!
   ): ExternalFunctionSpecificationOutput

The the input, replace GetExternalFunctionInput with curly-brackets and name of the external function to fetch, as well as the view on which it should be accessible. Below is an example:

Raw
graphql
query {
  getExternalFunction(
    input: {name: "company-http", 
            view: "xxxx"}
  ) {
    kind, name, 
    description,
    procedureURL,
    parameters {
      name, parameterType, defaultValue
    }    
  }
}
Mac OS or Linux (curl)
shell
curl -v -X POST $YOUR_LOGSCALE_URL/graphql \
    -H "Authorization: Bearer $TOKEN" \
    -H "Content-Type: application/json" \
    -d @- << EOF
{"query" : "query {
  getExternalFunction(
    input: {name: \"company-http\", 
            view: \"xxxx\"}
  ) {
    kind, name, 
    description,
    procedureURL,
    parameters {
      name, parameterType, defaultValue
    }    
  }
}"
}
EOF
Mac OS or Linux (curl) One-line
shell
curl -v -X POST $YOUR_LOGSCALE_URL/graphql \
    -H "Authorization: Bearer $TOKEN" \
    -H "Content-Type: application/json" \
    -d @- << EOF
{"query" : "query {
  getExternalFunction(
    input: {name: \"company-http\", 
            view: \"xxxx\"}
  ) {
    kind, name, 
    description,
    procedureURL,
    parameters {
      name, parameterType, defaultValue
    }    
  }
}"
}
EOF
Windows Cmd and curl
shell
curl -v -X POST $YOUR_LOGSCALE_URL/graphql ^
    -H "Authorization: Bearer $TOKEN" ^
    -H "Content-Type: application/json" ^
    -d @'{"query" : "query { ^
  getExternalFunction( ^
    input: {name: \"company-http\",  ^
            view: \"xxxx\"} ^
  ) { ^
    kind, name,  ^
    description, ^
    procedureURL, ^
    parameters { ^
      name, parameterType, defaultValue ^
    }     ^
  } ^
}" ^
} '
Windows Powershell and curl
powershell
curl.exe -X POST 
    -H "Authorization: Bearer $TOKEN"
    -H "Content-Type: application/json"
    -d '{"query" : "query {
  getExternalFunction(
    input: {name: \"company-http\", 
            view: \"xxxx\"}
  ) {
    kind, name, 
    description,
    procedureURL,
    parameters {
      name, parameterType, defaultValue
    }    
  }
}"
}'
    "$YOUR_LOGSCALE_URL/graphql"
Perl
perl
#!/usr/bin/perl

use HTTP::Request;
use LWP;

my $INGEST_TOKEN = "TOKEN";

my $uri = '$YOUR_LOGSCALE_URL/graphql';

my $json = '{"query" : "query {
  getExternalFunction(
    input: {name: \"company-http\", 
            view: \"xxxx\"}
  ) {
    kind, name, 
    description,
    procedureURL,
    parameters {
      name, parameterType, defaultValue
    }    
  }
}"
}';
my $req = HTTP::Request->new("POST", $uri );

$req->header("Authorization" => "Bearer $TOKEN");
$req->header("Content-Type" => "application/json");

$req->content( $json );

my $lwp = LWP::UserAgent->new;

my $result = $lwp->request( $req );

print $result->{"_content"},"\n";
Python
python
#! /usr/local/bin/python3

import requests

url = '$YOUR_LOGSCALE_URL/graphql'
mydata = r'''{"query" : "query {
  getExternalFunction(
    input: {name: \"company-http\", 
            view: \"xxxx\"}
  ) {
    kind, name, 
    description,
    procedureURL,
    parameters {
      name, parameterType, defaultValue
    }    
  }
}"
}'''

resp = requests.post(url,
                     data = mydata,
                     headers = {
   "Authorization" : "Bearer $TOKEN",
   "Content-Type" : "application/json"
}
)

print(resp.text)
Node.js
javascript
const https = require('https');

const data = JSON.stringify(
    {"query" : "query {
  getExternalFunction(
    input: {name: \"company-http\", 
            view: \"xxxx\"}
  ) {
    kind, name, 
    description,
    procedureURL,
    parameters {
      name, parameterType, defaultValue
    }    
  }
}"
}
);


const options = {
  hostname: '$YOUR_LOGSCALE_URL/graphql',
  path: '/graphql',
  port: 443,
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Content-Length': data.length,
    Authorization: 'BEARER ' + process.env.TOKEN,
    'User-Agent': 'Node',
  },
};

const req = https.request(options, (res) => {
  let data = '';
  console.log(`statusCode: ${res.statusCode}`);

  res.on('data', (d) => {
    data += d;
  });
  res.on('end', () => {
    console.log(JSON.parse(data).data);
  });
});

req.on('error', (error) => {
  console.error(error);
});

req.write(data);
req.end();

Given Datatypes

The given datatype GetExternalFunctionInput has its own parameters. Below is a list of them along with their datatypes and a description of each:

Table: GetExternalFunctionInput

ParameterTypeRequiredDefaultDescription
Some arguments may be required, as indicated in the Required column. For some fields, this column indicates that a result will always be returned for this column.
Table last updated: Sep 18, 2024
namestringyes The name of the external function to fetch.
viewstringyes The view on which the external function should be accessible.

Returned Datatypes

For ExternalFunctionSpecificationOutput, there are a couple possible values returned, which are listed below.

Table: ExternalFunctionSpecificationOutput

ParameterTypeRequiredDefaultDescription
Some arguments may be required, as indicated in the Required column. For some fields, this column indicates that a result will always be returned for this column.
Table last updated: Sep 24, 2024
descriptionstringyes The description for the external function.
kindKindOutputyes The kind of external function, how it's executed. See KindOutput.
namestringyes The name of the external function.
parameters[ParameterSpecificationOutput]yes The parameter specifications for the external function. See ParameterSpecificationOutput.
procedureURLstringyes The URL for the external function.